| 摘要 |
Polarised electromagnetic actuator structure comprising a main body 1 defining a cavity 3 able to house the first branch 4 of a U-shaped element 5 of a ferromagnetic material having a second branch 6 coupled up to a coil 7 capable of being inserted into a seat 9 defined by the said main body 1, the said main body defining a chamber 11 for housing a permanent magnet 12 acting on the said U-shaped element 5, as well as means for the placing in abutment of a moving armature 20 for closing the magnetic circuit and a compartment 24 for housing elastic means 22 of returning the said moving armature 20, there furthermore being provided in the said structure a base 50 capable of being coupled up to the lower portion of the said body 1 and an upper cap 51 defining a guide hole 52 for an actuating pivot 53 itself placed in interaction with the said moving armature 20. <IMAGE>
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